CN205773574U - A kind of Once-through Boiler oxygenation stabilising arrangement - Google Patents
A kind of Once-through Boiler oxygenation stabilising arrangement Download PDFInfo
- Publication number
- CN205773574U CN205773574U CN201620668529.5U CN201620668529U CN205773574U CN 205773574 U CN205773574 U CN 205773574U CN 201620668529 U CN201620668529 U CN 201620668529U CN 205773574 U CN205773574 U CN 205773574U
- Authority
- CN
- China
- Prior art keywords
- valve
- oxygen
- once
- air relief
- stabilising arrangement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A kind of Once-through Boiler oxygenation stabilising arrangement, the outlet of oxygen collecting bar is water supply system in air relief valve, aciculiform gas control valve, oxygen flow meter, oxygen outlet valve, non-return valve connect stove, before the valve of air relief valve and it is mounted on Pressure gauge after valve, between air relief valve and aciculiform gas control valve, filter is installed.This utility model not only has gas stabilization function, and can also accurately control flow of oxygen, the most easy for installation, easy to maintenance, service life is long.
Description
Technical field
This utility model relates to processing system in direct current cooker stove, and a kind of simple efficient Once-through Boiler oxygenation is steady
Determine device.
Background technology
When in supercritical unit or extra-supercritical unit stove, water processes and uses traditional AVT operating mode to process, carbon steel table
Face forms magnetic ferroferric oxide protecting film, and this oxide-film has higher dissolubility in high-temperature water, makes carbon steel hyperbaric heating
Device, feed pipe, economizer and draining system etc. are susceptible to accelerated corrosion of flowing, and feedwater, hydrophobic iron-holder are the highest,
Thus bring the problems such as higher, the Boiler Chemical cycle time of scaling on the heating surface of boiler speed.
(general hydrogen conductivity is less than 0.15 μ S/cm), finite concentration after the purity of direct current cooker feedwater reaches necessarily to require
Oxygen not only do not result in the corrosion of carbon steel, steel surface can be made on the contrary to form iron sesquioxide+magnetic four oxygen of even compact
Change the double-deck protecting film of three-iron, thus suppress carbon steel high-pressure heater, feed pipe, economizer and draining system etc.
Corrosion.
Summary of the invention
The purpose of this utility model is to provide and a kind of can improve the stability of oxygenation in direct current cooker stove, ensures to contain
Oxygen content control Once-through Boiler oxygenation stabilising arrangement accurately.
A kind of Once-through Boiler oxygenation stabilising arrangement that this utility model provides, the outlet of the oxygen collecting bar of this device is through decompression
Valve, aciculiform gas control valve, oxygen flow meter, oxygen outlet valve, non-return valve connect water supply system in stove.
In above-mentioned, before the valve of air relief valve and it is mounted on Pressure gauge after valve.
In above-mentioned, between air relief valve and aciculiform gas control valve, filter is installed.
This utility model is big for oxygenation pressure in direct current cooker stove, and flow little causing effectively cannot control oxygen-adding amount and set
The stabilising arrangement of meter.This utility model not only has gas stabilization function, and can also accurately control flow of oxygen, makes pot
In stove, sediment yield reduces, corrosion and damage reduces, and makes boiler tube and heater pressure drop quickly raise problem and has been resolved, has simultaneously
The features such as easy for installation, easy to maintenance, length in service life, operation facility.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
With reference to Fig. 1, a kind of Once-through Boiler oxygenation stabilising arrangement that this utility model provides, this device by oxygen collecting bar 1, subtract
Pressure valve 3, aciculiform gas control valve 5, oxygen flow meter 6, oxygen outlet valve 7, non-return valve 8 form, the outlet warp of oxygen collecting bar 1
Air relief valve 3, aciculiform gas control valve 5, oxygen flow meter 6, oxygen outlet valve 7, non-return valve 8 are coupled together by pipeline successively, inverse
Only valve 8 water supply system in pipeline connects stove again.Wherein, the outlet of each oxygen cylinder in oxygen collecting bar 1 is fitted with valve.
In this utility model, it is mounted on Pressure gauge 2, air relief valve 3 and aciculiform gas before the valve of air relief valve 3 and after valve and adjusts
Between joint valve 5, filter 4 is installed.
This utility model mainly realizes the pressure stability of oxygen supply side by oxygen 1 row of confluxing, and prevents gas cylinder from changing
Time build-up of pressure fluctuation, then make oxygen pressure be slightly above direct current furnace pressure by air relief valve 3, after filter 4 impurity screening,
Carried out the preliminary control of oxygen flow by aciculiform gas control valve 5, the more accurate tune valve on oxygen flow meter 6 carries out standard
Really control, it is achieved furnace pressure in 1.3-2.6MPa range time, maintain feedwater dissolved oxygen content at 30-150ug/L model
Enclose, it might even be possible to dissolved oxygen fluctuation range is controlled between 30-50ug/L.Regulate the oxygen of flow through oxygen outlet valve
7, water supply system in non-return valve 8 enters stove, and non-return valve 8 can prevent the medium of water supply system from entering addition oxygen-enrichment system, effectively
Solve the problem of system in oxygen-enrichment system initial operation stage oxygen stove difficult to get access, moreover it is possible to prevent the equipment of oxygen-enrichment system from producing because of water inlet
Raw corrosion.
Claims (3)
1. an Once-through Boiler oxygenation stabilising arrangement, it is characterised in that the outlet of oxygen collecting bar is through air relief valve, aciculiform gas regulation
Valve, oxygen flow meter, oxygen outlet valve, non-return valve connect water supply system in stove.
A kind of Once-through Boiler oxygenation stabilising arrangement the most according to claim 1, it is characterised in that before the valve of air relief valve and after valve
It is mounted on Pressure gauge.
A kind of Once-through Boiler oxygenation stabilising arrangement the most according to claim 1, it is characterised in that air relief valve and aciculiform gas are adjusted
Between joint valve, filter is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620668529.5U CN205773574U (en) | 2016-06-30 | 2016-06-30 | A kind of Once-through Boiler oxygenation stabilising arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620668529.5U CN205773574U (en) | 2016-06-30 | 2016-06-30 | A kind of Once-through Boiler oxygenation stabilising arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205773574U true CN205773574U (en) | 2016-12-07 |
Family
ID=58128881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620668529.5U Expired - Fee Related CN205773574U (en) | 2016-06-30 | 2016-06-30 | A kind of Once-through Boiler oxygenation stabilising arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205773574U (en) |
-
2016
- 2016-06-30 CN CN201620668529.5U patent/CN205773574U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20190630 |